Ask @Ahad_46:

on a serious note have you taken testosterone?

My body produces enough testosterone for me to gain mass. Testosterone's level at the age till 30 (approx) is at the peak but as soon as you cross your 30 it goes down to 20%-30%. That's the time your body will need be needing testosterone. So you can either opt for testosterone (androgel or androderm) which is an anabolic steroid or you can take it naturally by having Ashwahghandha / ZMA / Tribulus / Tentex Royal.

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